Ac Voltage Hp 972A; Ac Voltage Hp 973A - HP 972a User Manual

Specifications
AC Voltage HP 972A (Average responding, calibrated to display rms)
Range Resolution
10 µV
40 mV
400 mV 0.1 mV
4 V 1 mV
40 V 10 mV
400 V 100 mV
1000 V 1 V
Common Mode Rejection Ratio (1 kΩ imbalance): > 60 dB @ DC to 60 Hz
Response time: 2 seconds maximum
AC Voltage HP 973A (True rms, calibrated for sinewave)
Range Resolution
10 µV
40 mV
400 mV 0.1 mV
4 V 1 mV
40 V 10 mV
400 V 100 mV
1000 V 1 V
Measurement range:
40 Hz to 1 kHz
1 kHz to 20 kHz
Response time: <2 seconds on fixed range
Crest factor: <3
Common Mode Rejection Ratio (1 kΩ imbalance): > 60 dB @ DC to 60 Hz
1 - 18
40 Hz to 50 Hz to
50 Hz 1 kHz
± (1% + 10)
± (1% + 3)
± (1% + 3)
± (1% + 2) ± (0.5% + 2)
± (1% + 2) (40 Hz to 500 Hz)
40 Hz to 50 Hz to
50 Hz 1 kHz
± (1% + 3)
± (1% + 3)
± (0.7% + 3)
± (1% + 4) (40 Hz to 500 Hz)
40 mV to 400 V range
1000 V range
4 V to 400 V range
Accuracy
1 kHz to 5 kHz to
5 kHz
Not Specified
Not Specified
± (1.5% + 3) ± (3% + 6)
Not Specified
Accuracy
1 kHz to 5 kHz to
5 kHz 20 kHZ
Not Specified
± (1.2% + 4) ± (2% + 15)
Not Specified
5% to 100% of range
100 V to 1000 V
10% to 100% of range
Input Impedance
(nominal)
20 kHZ
10 MΩ < 70 pF
11 MΩ < 50 pF
10 MΩ < 50 pF
Input Impedance
(nominal)
10 MΩ < 70 pF
11 MΩ < 50 pF
10 MΩ < 50 pF